One more function documentation.

nemccarthy · Apr 24, 2015 · 0f31856 · 0f31856
1 parent 27c1973
commit 0f31856
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/types/DataType.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/types/DataType.scala
@@ -52,7 +52,9 @@ abstract class DataType {
     case _ => false
   }
 
-  /** The default size of a value of this data type. */
+  /**
+   * The default size of a value of this data type, used internally for size estimation.
+   */
   def defaultSize: Int
 
   /** Name of the type used in JSON serialization. */